[Clinical tests with a long-acting antitussive].
D000293:Adolescent; D000328:Adult; D000996:Antitussive Agents / Q000627:therapeutic use*; D003371:Cough / Q000188:drug therapy; D006801:Humans; D008875:Middle Aged; D012140:Respiratory Tract Diseases / Q000188:drug therapy
D000996:Antitussive Agents
Experimentação clínica com antitussígeno de ação prolongada.